A site hosted by Stanford University, offering various definitions of "deconstructionism," a biography of Jacques Derrida, interviews with Derrida, etc. (
http://prelectur.stanford.edu/lecturers/derrida/index.html
)
An extensive bibliography of criticism by and about Geoffrey Hartman, from the University of California at Irvine (
http://sun3.lib.uci.edu/~scctr/Wellek/hartman/
)